<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script>
        const fn = (num1, num2) => num1 + num2;
        console.log(fn(1, 2));
    </script>
</head>

<body>

</body>

</html>